<PRE><B>Question 303598</B>
1, 2, 3, 4, 6, 9, 13, 19, 28, …?


1 + 2 = 3 
1 + 3 = 4 
2 + 4 = 6
3 + 6 = 9
4 + 9 = 13
6 + 13 = 19
9 + 19 = 28
13 + 28 = 41 

Answer: 41  

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